Fig. 8

Reflection properties and beam-splitting effects (a) Reflection amplitude and phase of different diamond-shaped blocks with varying side lengths under x-polarized and y-polarized incidence at 1.551 THz. (b) Schematic diagram of the encoding arrangement. (c, d) The far-field scattering pattern under x-polarized incidence. (e, f) The far-field scattering pattern under y-polarized incidence.